US9346437B2 - Wiper blade assembly - Google Patents

Wiper blade assembly Download PDF

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Publication number
US9346437B2
US9346437B2 US14/234,046 US201214234046A US9346437B2 US 9346437 B2 US9346437 B2 US 9346437B2 US 201214234046 A US201214234046 A US 201214234046A US 9346437 B2 US9346437 B2 US 9346437B2
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United States
Prior art keywords
hinge shaft
connector
wiper
connector member
receiving part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US14/234,046
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English (en)
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US20140366302A1 (en
Inventor
Kyoung Joon Song
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CAP Corp
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CAP Corp
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Assigned to CAP CORPORATION reassignment CAP CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SONG, KYOUNG JOON
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Publication of US9346437B2 publication Critical patent/US9346437B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end
    • B60S1/4009—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end
    • B60S1/4016—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end the element being provided with retention means co-operating with the hook-shaped end of the arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3865—Connectors having an integral pivot pin for connection with the wiper arm
    • B60S1/3867—Connectors having an integral pivot pin for connection with the wiper arm pin formed on the interior of side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end
    • B60S1/4009—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4067—Connections between blades and arms for arms provided with a side pin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4083—Connections between blades and arms for arms provided with a flat end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end
    • B60S1/4009—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end
    • B60S1/4016—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end the element being provided with retention means co-operating with the hook-shaped end of the arm
    • B60S2001/4022—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end the element being provided with retention means co-operating with the hook-shaped end of the arm the element being provided with a locking element movable thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S2001/409—Connections between blades and arms characterised by the arm or connecting part mounted on the arm presenting a shaped opening for bearing the pivot axis

Definitions

  • the present invention relates to a wiper blade assembly, and more particularly, to a wiper blade assembly configured to facilitate coupling of a wiper arm and a connector member.
  • a wiper blade assembly for wiping out the rain in case of rain or removing foreign materials to secure a driver's visual field is disposed in a wind shield of a vehicle.
  • the wiper blade assembly is connected to a wiper arm connected to a driving shaft connected to a wiper driving motor of the vehicle to be driven.
  • the wiper arm and the wiper blade assembly are connected to each other through a wiper connector part.
  • the wiper blade assembly includes a clamp, to which the connector member is coupled, and the wiper arm is coupled to the connector member in a state in which the connector member is coupled to the clamp.
  • the wiper blade assembly may be classified into a conventional type and a flat type according to the structure of a blade.
  • the conventional type wiper blade assembly is configured to apply an elastic force to pressing a vehicular wind shield against a rubber strip making contact with the wind shield by coupling a plurality of yokes curved in an arc shape with an up-down structure and is widely used in the conventional wiper blade assembly of a vehicle.
  • the flat type wiper blade assembly includes a single elastic member or a pair of elastic members, instead of yokes.
  • the flat type wiper blade assembly has a simplified structure and is gradually increasingly distributed owing to its pleasing appearance when it is mounted on the vehicle.
  • FIG. 1 is a perspective view illustrating a portion of a conventional wiper blade assembly, specifically a flat type wiper blade assembly.
  • the wiper blade assembly 20 shown in FIG. 1 is a flat blade connected to a wiper arm without a primary yoke and a secondary yoke.
  • the present invention that follows is not limited to the flat type wiper blade.
  • a blade rubber 23 making contact with the vehicular wind shield and a pair of spoilers 21 are provided in the wiper blade assembly 20 shown in FIG. 1 , and a wiper connector part 10 is disposed around the lengthwise center of the wiper blade assembly 20 .
  • the wiper connector part 10 includes a connector member 40 to which a wiper arm (not shown) is coupled, and a clamp 30 coupled to the connector member 40 and having the connector member 40 received therein.
  • the clamp 30 is preferably fabricated separately from the wiper blade assembly 20 .
  • each of the clamp 30 and the connector member 40 is formed of a single member according to embodiment.
  • the conventional wiper blade assembly is configured such that the clamp is provided to be coupled to a connector member and the clamp and the wiper arm is coupled to the connector member in a state in which the connector member is coupled to the clamp.
  • the present invention has been made in an effort to solve the problems of the prior art, and it is an object of the present invention to provide a wiper blade assembly configured to facilitate connection of a wiper arm and a connector member.
  • a wiper blade assembly including a wiper connector part positioned at a predetermined lengthwise region, wherein the wiper connector part includes a connector member to which a wiper arm is coupled and a connector receiving part in which the connector member is received, and the connector receiving part includes a first hinge shaft shaped of a protrusion having a predetermined thickness on a first widthwise inner sidewall and a second hinge shaft shaped of a protrusion having a predetermined thickness on a second widthwise inner sidewall.
  • the connector receiving part may further include a lengthwise inner sidewall, a space having a predetermined size may be formed by the widthwise inner sidewall and the lengthwise inner sidewall, and the connector member may be received in the space.
  • the connector member includes a wiper arm receiving part having a space of a predetermined size, the wiper arm receiving part includes widthwise inner sidewall and lengthwise inner sidewalls, the space of a predetermined size is formed by the second widthwise inner sidewalls and the lengthwise inner sidewalls, and the wiper arm is received in the space.
  • the connector member further includes a hinge shaft fastening part to be coupled to a first hinge shaft or a second hinge shaft of the connector receiving part.
  • the hinge shaft fastening part includes a hinge shaft inserting part for inserting the first hinge shaft or the second hinge shaft into the hinge shaft fastening part and a hinge shaft seating part to which the first hinge shaft or the second hinge shaft is coupled to be seated.
  • the cross-sectional shape of the first hinge shaft or the second hinge shaft includes a hinge main shaft and a hinge sub shift extending from the hinge main shaft, the hinge main shaft is a hinge shaft for coupling the connector member and the connector receiving part, and the hinge sub shift is a subsidiary shaft serving as a stopper in separating the connector member from the connector receiving part.
  • the hinge shaft inserting part includes an inserting part first end and an inserting part second end, the hinge shaft inserting part is formed by a space between the inserting part first end and the inserting part second end, and when the connector member is separated from the connector receiving part, the inserting part first end is fixed by the hinge sub shift and the inserting part second end is spaced apart from the inserting part first end.
  • the thickness of the first hinge shaft is a thickness ranging from a first inner sidewall in a widthwise direction of the connector receiving part to a portion contacting a U-shaped portion of a leading edge of the wiper arm
  • a thickness of the second hinge shaft is a thickness ranging from a second inner sidewall in the widthwise direction of the connector receiving part to the portion contacting the U-shaped portion of the leading edge of the wiper arm.
  • the wiper arm and the connector member are first coupled to each other and the connector member is then received in the connector receiving part. Therefore, a need for a space required for forward or backward movement may be eliminated in coupling the U-hook shaped wiper arm to the connector member.
  • the hinge shaft includes a hinge main shaft and a hinge sub shift serving as a stopper, separation of the connector member from the connector receiving part can be facilitated.
  • FIG. 1 is a perspective view illustrating a portion of a conventional wiper blade assembly
  • FIG. 2 is a perspective view of a wiper blade assembly according to an embodiment of the present invention, specifically a flat type wiper blade assembly.
  • FIG. 3 is a perspective view illustrating a wiper connector part of a wiper blade assembly according to the present invention
  • FIG. 4 is a plan view illustrating a wiper connector part of a wiper blade assembly according to the present invention.
  • FIG. 5 is a perspective view illustrating a connector member of a wiper blade assembly according to the present invention.
  • FIG. 6 is a front view illustrating a connector member of a wiper blade assembly according to the present invention.
  • FIG. 7 is a perspective view illustrating a wiper arm of a wiper blade assembly according to the present invention.
  • FIG. 8 is a front view illustrating a wiper arm of a wiper blade assembly according to the present invention.
  • FIG. 9 is a perspective view illustrating a state in which a wiper arm and a connector member are coupled to each other in a wiper blade assembly according to the present invention.
  • FIG. 10 is a front view illustrating the state in which a wiper arm and a connector member are coupled to each other in a wiper blade assembly according to the present invention
  • FIG. 11 is a perspective view illustrating a state in which a connector member and a connector receiving part are coupled to each other in a wiper blade assembly according to the present invention
  • FIG. 12 illustrates coupling of connector member and a connector receiving part in a wiper blade assembly according to the present invention.
  • FIG. 13 illustrates separation of connector member and a connector receiving part in a wiper blade assembly according to the present invention.
  • FIG. 2 is a perspective view of a wiper blade assembly according to an embodiment of the present invention, specifically a flat type wiper blade assembly.
  • the wiper blade assembly may be largely classified into a conventional type and a flat type according to the structure of a blade.
  • the conventional type wiper blade assembly is configured to apply an elastic force to pressing a vehicular wind shield against a rubber strip making contact with the wind shield by coupling a plurality of yokes curved in an arc shape with an up-down structure and is widely used in the conventional wiper blade assembly of a vehicle.
  • the flat type wiper blade assembly includes a single elastic member or a pair of elastic members, instead of yokes.
  • the present invention is not limited to the flat type wiper blade.
  • the wiper blade assembly 100 includes a rubber wiper strip (not shown) making contact with the wind shield of the vehicle and a pair of spoilers 110 .
  • a wiper connector part 120 is positioned at a predetermined lengthwise region of the wiper blade assembly 100 .
  • the wiper connector part 120 positioned at a lengthwise central region of the wiper blade assembly 100 is illustrated.
  • the wiper connector part 120 may be positioned at a central region or a peripheral region. Therefore, the present invention does not limit the position of the wiper connector part 120 to those illustrated herein.
  • the wiper connector part 120 includes a connector member 130 to which a wiper arm 150 is coupled and a connector receiving part 140 in which the connector member 130 is received.
  • the wiper arm 150 is connected to a driving shaft connected to a wiper driving motor of a vehicle side and the wiper blade assembly 100 may be driven by driving the wiper arm 150 .
  • the connector receiving part 140 may be integrally formed with the wiper connector part 120 .
  • the connector receiving part 140 may be fabricated separately from the wiper connector part 120 to then be fixed.
  • FIG. 3 is a perspective view illustrating a wiper connector part of a wiper blade assembly according to the present invention
  • FIG. 4 is a plan view illustrating a wiper connector part of a wiper blade assembly according to the present invention.
  • the wiper connector part 120 includes the connector receiving part 140 having a space of a predetermined size, the connector member 130 to which the wiper arm 150 is coupled is received in the space of the connector receiving part 140 .
  • the connector receiving part 140 includes inner sidewalls 141 a and 141 b of a widthwise direction (X) and inner sidewalls 142 a and 142 b of a lengthwise direction (Y), which forms the space of a predetermined size.
  • hinge shafts 143 a and 143 b are formed in predetermined regions of the widthwise (X direction) inner sidewalls 141 a and 141 b.
  • the hinge shafts 143 a and 143 b may be protrusions having a predetermined thickness (t).
  • the first hinge shaft 143 a shaped of a protrusion having a predetermined thickness (t) is formed on the first widthwise inner sidewall 141 a
  • the second hinge shaft 143 b shaped of a protrusion having a predetermined thickness (t) is formed on the second widthwise inner sidewall 141 b.
  • the shape of the hinge shaft that is, the protrusion having a predetermined thickness (t), will later be described and the thickness of the hinge shaft, that is, the predetermined thickness (t), will later be described.
  • FIG. 5 is a perspective view illustrating a connector member of a wiper blade assembly according to the present invention
  • FIG. 6 is a front view illustrating a connector member of a wiper blade assembly according to the present invention.
  • the connector member 130 is received in the space of the predetermined size of the connector receiving part 140 .
  • the connector member 130 is received in the connector receiving part 140 .
  • the wiper arm is connected to a driving shaft connected to a wiper driving motor of a vehicle side and the wiper blade assembly 100 may be driven by driving the wiper arm.
  • the connector member 130 includes a wiper arm receiving part 133 having the space of a predetermined size.
  • the wiper arm receiving part 133 includes inner sidewalls 131 a and 131 b of a widthwise direction (X) and inner sidewalls 132 a and 132 b of a lengthwise direction (Y), which forms the space of a predetermined size.
  • the wiper arm receiving part 133 includes a fixed shaft 134 connecting predetermined regions of the widthwise inner sidewalls 131 a and 131 b.
  • the fixed shaft 134 corresponds to a wiper arm fitting part for fitting a U-shaped part of a leading edge of a wiper arm (not shown) to be described later.
  • the fixed shaft 134 connects the first widthwise inner sidewall 131 a and the second widthwise inner sidewall 131 b to each other, and the U-shaped part of the leading edge of the wiper arm may be fitted to the fixed shaft 134 to then be fixed.
  • the connector member 130 may further include a wiper arm supporting part 135 for preventing the wiper arm from deviating to an upward direction (Z of FIG. 5 ) of the connector member.
  • the connector member 130 includes a hinge shaft fastening part 136 to be coupled to a hinge shaft positioned at a predetermined region of the widthwise second inner sidewall of the connector receiving part.
  • the hinge shaft fastening part 136 may include a hinge shaft inserting part 136 a for inserting the hinge shaft into the hinge shaft fastening part and a hinge shaft seating part 136 b to which the hinge shaft is coupled to be seated.
  • the hinge shaft inserting part 136 a may include an inserting part first end 137 a and an inserting part second end 137 b and may be formed by a space between the inserting part first end 137 a and the inserting part second end 137 b.
  • FIG. 7 is a perspective view illustrating a wiper arm of a wiper blade assembly according to the present invention
  • FIG. 8 is a front view illustrating a wiper arm of a wiper blade assembly according to the present invention.
  • the wiper arm may be provided as a component of the wiper blade assembly, as described above.
  • the wiper arm since the wiper arm is coupled to a driving shaft coupled to a wiper driving motor of a vehicle side, it may not be provided as the component of the wiper blade assembly.
  • the wiper arm may be provided as the component of the wiper blade assembly.
  • the wiper blade assembly is a general wiper arm 150 , which may include a U-hook shaped part 151 at its leading edge. As described above, the U-shaped part of the leading edge of the wiper arm may be fitted to the fixed shaft 134 positioned on the inner sidewall of the wiper arm receiving part to then be fixed.
  • FIG. 9 is a perspective view illustrating a state in which a wiper arm and a connector member are coupled to each other in a wiper blade assembly according to the present invention
  • FIG. 10 is a front view illustrating the state in which a wiper arm and a connector member are coupled to each other in a wiper blade assembly according to the present invention.
  • the conventional wiper blade assembly is configured such that a clamp is provided in the wiper blade assembly, the connector member is coupled to the clamp, and the wiper arm is coupled to the connector member in a state in which the connector member is coupled to the clamp.
  • the wiper arm and the connector member are first coupled to each other, and the connector member coupled to the wiper arm is then received in the space of the connector receiving part, as will later be described.
  • the U-hook shaped wiper arm since the wiper arm and the connector member are first coupled to each other, and the connector member is then seated in the connector receiving part, the U-hook shaped wiper arm does not require a space in which it moves forward and backward to be coupled to the connector member.
  • the connector member 130 includes the wiper arm receiving part 133 having the space of a predetermined size.
  • the wiper arm receiving part 133 includes the inner sidewalls 131 a and 131 b of the widthwise direction (X) and the inner sidewalls 132 a and 132 b of the lengthwise direction (Y), which forms the space of a predetermined size, which is the same as described above.
  • the wiper arm receiving part 133 includes a fixed shaft 134 connecting predetermined regions of the widthwise inner sidewalls 131 a and 131 b.
  • the fixed shaft 134 connects the first widthwise inner sidewall 131 a and the second widthwise inner sidewall 131 b to each other and a U-shaped part of a leading edge of the wiper arm may be fitted to the fixed shaft 134 to then be fixed.
  • the connector member 130 may further include a wiper arm supporting part 135 to prevent the wiper arm from deviating to an upper direction (Z of FIG. 5 ) of the connector member.
  • FIG. 11 is a perspective view illustrating a state in which a connector member and a connector receiving part are coupled to each other in a wiper blade assembly according to the present invention.
  • the wiper arm and the connector member are first coupled to each other and the connector member is then received in the space of the connector receiving part.
  • the connector member and the connector receiving part are coupled to each other.
  • the connector member 130 includes a hinge shaft fastening part 136 .
  • the hinge shaft fastening part 136 includes a hinge shaft inserting part 136 a for inserting the hinge shaft into the hinge shaft fastening part and a hinge shaft seating part 136 b to which the hinge shaft is coupled to be seated. Therefore, after the hinge shaft fastening part of the connector member is inserted into the hinge shaft inserting part, it is seated in the hinge shaft seating part in an interference fit manner, thereby coupling the connector member and the connector receiving part to each other.
  • the hinge shaft is shaped of a protrusion having a predetermined thickness (t).
  • the general connector member includes a hinge shaft to be coupled to the connector receiving part.
  • the hinge shaft is shaped of a continuous cylinder connecting inner walls, rather than a protrusion having a predetermined thickness. Since the general wiper blade assembly is configured such that the connector member is first coupled to the clamp and the wiper arm is then coupled to the connector member in a state in which the connector member is coupled to the clamp, that is to say, since the connector member is first coupled to the clamp, the coupling of the connector member is not affected by the wiper arm. Therefore, the hinge shaft may have a continuously cylindrical shape.
  • the wiper arm and the connector member are first coupled to each other, and the connector member coupled to the wiper arm is then received in the space of a predetermined size of the connector receiving part, that is to say, the connector member and the wiper arm are first coupled to each other and then coupled to the connector receiving part, the coupling of the connector member is affected by the wiper arm.
  • the connector member and the connector receiving part are not coupled to each other by being closed by the U-shaped part of the leading edge of the wiper arm.
  • the hinge shaft in order to allow the U-shaped part of the leading edge of the wiper arm to pass the hinge shaft, the hinge shaft is configured to have a non-continuous protrusion having a predetermined thickness, rather than the continuous cylinder.
  • the thickness of the hinge shaft should be enough to prevent the hinge shaft from being closed by the U-shaped part of the leading edge of the wiper arm to allow the U-shaped part of the leading edge of the wiper arm to pass the hinge shaft.
  • the thickness of the hinge shaft may be a thickness ranging from the first widthwise inner sidewall or the second widthwise inner sidewall of the connector receiving part to the U-shaped part of the leading edge of the wiper arm.
  • FIG. 12 illustrates coupling of connector member and a connector receiving part in a wiper blade assembly according to the present invention
  • FIG. 13 illustrates separation of connector member and a connector receiving part in a wiper blade assembly according to the present invention.
  • the connector member and the connector receiving part are coupled to each other such that the hinge shaft of the connector receiving part is inserted into the hinge shaft inserting part and then seated in the hinge shaft seating part in an interference fit manner, thereby coupling the connector member and the connector receiving part to each other.
  • a cross-sectional shape of the hinge shaft 143 b includes a hinge main shaft 143 b ′ and a hinge sub shift 143 b ′′ extending from the hinge main shaft 143 b ′.
  • the hinge main shaft 143 b ′ is a hinge shaft for coupling the connector member and the connector receiving part
  • the hinge sub shift 143 b ′′ is a subsidiary shaft serving as a stopper in separating the connector member from the connector receiving part, as will later be described.
  • the connector member and the connector receiving part can be easily separated by increasing a space between the inserting part first end 137 a and the inserting part second end 137 b.
  • the increasing of the space between the inserting part first end 137 a and the inserting part second end 137 b may include increasing an insertion space of the hinge shaft inserting part 136 a. Therefore, the hinge shaft coupled in the interference fit manner can be easily separated by the hinge shaft inserting part having the increased inversion space.
  • the hinge main shaft is a hinge shaft for coupling the connector member and the connector receiving part
  • the hinge sub shift 143 ′′ is a subsidiary shaft serving as a stopper in separating the connector member from the connector receiving art.
  • FIG. 13 when a wiper blade is rotated, the hinge sub shift 143 ′′ and the inserting part first end 137 a are brought into contact with each other. Thereafter, if the wiper blade is rotated with a stronger force, the inserting part first end 137 a is fixed by the hinge sub shift 143 ′′. However, the inserting part second end 137 b that is not fixed by the hinge sub shift 143 ′′ is gradually spaced apart from the inserting part first end 137 a.
  • the hinge sub shift 143 ′′ fixes the inserting part first end 137 a, but the inserting part second end 137 b is not fixed.
  • the inserting part second end 137 b is gradually spaced apart from the inserting part first end 137 a, which means that the insertion space of the hinge shaft inserting part 136 a is increased. Therefore, the hinge shaft coupled in the interference fit manner can be easily separated by the hinge shaft inserting part having the increased insertion space.
  • the wiper arm and the connector member are first coupled to each other, and the connector member coupled to the wiper arm is then received in the space of the connector receiving part, an unnecessary space in which the U-hook shaped wiper moves forward and backward to be coupled to the connector of member may be eliminated.
  • the hinge shaft includes a hinge main shaft and a hinge sub shift serving as a stopper, separation of the connector member from the connector receiving part can be facilitated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
US14/234,046 2011-07-26 2012-07-19 Wiper blade assembly Expired - Fee Related US9346437B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2011-0074217 2011-07-26
KR1020110074217A KR101305350B1 (ko) 2011-07-26 2011-07-26 와이퍼 블레이드 조립체
PCT/KR2012/005780 WO2013015564A2 (ko) 2011-07-26 2012-07-19 와이퍼 블레이드 조립체

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WO2016138567A1 (en) 2015-03-05 2016-09-09 Commonwealth Scientific And Industrial Research Organisation Structure modelling
BR112020016882A2 (pt) * 2018-02-19 2020-12-15 Trico Products Corporation Adaptador, acoplador e montagem de braço de limpador de para-brisa

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US20220281417A1 (en) * 2019-08-06 2022-09-08 Trico Belgium S.a. Windscreen wiper device of the flat blade type
US11794698B2 (en) * 2019-08-06 2023-10-24 Trico Belgium S.A Windscreen wiper device of the flat blade type

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CA2840703C (en) 2016-09-13
KR20130012814A (ko) 2013-02-05
CA2840703A1 (en) 2013-01-31
US20140366302A1 (en) 2014-12-18
KR101305350B1 (ko) 2013-09-06
WO2013015564A3 (ko) 2013-04-04

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